Tagged Questions

AMBIGUOUS TAG — DO NOT USE. For the Mac virtualization software, use [parallels]. For the `parallel` utilities, use [gnu-parallel] or [moreutils-parallel]. For parallel computing in general, use [parallelism]. For parallel ports once common on PCs, use [parallel-port].

my question is, can I run multiple scripts at once. I have access to a cluster with 32 cpus but at the same time I have 900 scripts. Now what I would like to do is, put every script in a queue, and ...

I have few questions about system calls and kernel modules.
Let's assume we have two applications (A and B) and each of them is running on a different core. (A-CPU 0, B-CPU 1)
When two applications ...

Is it possible to limit the memory usage of all processes started by GNU parallel? I realize there are ways to limit the number of jobs, but in cases where it isn't easy to predict the memory usage ...

When I wanted to know how long systemd actually needed to boot the default target, how would I do that ? An then, is it possible to create a graph to show which unit takes how much time to initialize ...

I am using freescale IMX6 quad processor. I want to know if the top command lists the CPU usage of all 4 cores or of a single core. I am seeing an application's CPU usage being the same with 4 cores ...

While i was learning about cpu load i came to know that it depends on numbers of core. if i have 2 cores then load 2 will give 100% cpu utilization.
So i tried to find out cores.( i already know that ...

I am running many tasks on a Linux cluster. Each task creates many output files. When all tasks are finished, I run something like tar cf foo.tar output_files/to create a tar archive. This is a very ...

I am copying the files from machineB and machineC into machineA as I am running my below shell script on machineA.
If the files is not there in machineB then it should be there in machineC for sure ...

I have a below shell script from which I am trying to copy 5 files in parallel. I am running my below shell script on machineA which tries to copy the file from machineB and machineC.
If the file is ...

I have a bash shell script in which I pipe some data through about 5 or 6 different programs then the final results into a tab delimited file.
I then do the same again for a separate similar dataset ...

I have an embarrassingly parallel process that creates a huge amount of nearly (but not completely) identical files. Is there a way to archive the files "on the fly", so that the data does not consume ...

I have a program ./pgm taking some arguments (say -a file1 -b val), which requires 2 seconds to execute. I would like to use all the processors on my machine to run this program on all the input files ...

I am running my below shell script from machineA which is copying the files machineB and machineC into machineA. If the files are not there in machineB, then it should be there in machineC.
The below ...

I'm working on a script for automatically setting up Amazon Linux servers. I create them with 100gb virtual disks, but the main partition is always 8gb. No problem, I call sudo resize2fs /dev/sda1 at ...

Commands like find and grep would benefit greatly if they were to run in parallel. Is there a utility or a program that takes a command as an argument and makes it run in parallel by running multiple ...

I was wondering if I could manage to initialize drivers, services etc. (all these jobs what Linux does during startup) in parallel instead of sequentially. I want to aggressively lower the boot time. ...

I need to upload a directory with a rather complicated tree (lots of subdirectories, etc.) by FTP. I am unable to compress this directory, since I do not have any access to the destination apart from ...

I have been trying to parallelize the following script, specifically each of the three FOR loop instances, using GNU Parallel but haven't been able to. The 4 commands contained within the FOR loop run ...

I have a short script that uses scp to copy files to a number of remote hosts (yes, I know about rdist and rsync; they both fail to work for a few of the hosts - that's not the point here; I'm only ...

I have a bash script that kicks off multiple rsync processes in parallel. I'd like to limit the number of simultaneous child processes but not serialize the whole script.
Here's a simplified version ...

I need to execute an application in parallel on multiple Ubuntu servers while supplying different arguments for different servers. I tried to google it, but could not get to the possible solution. I ...

Is it safe to have multiple folders Rsync simultaneously into one?
Each of the source folders contains a subset of the destination folder, and everybody just syncs into a master destination folder. I ...